package com.zx.Ding.controller;


import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.zx.Ding.common.R;
import com.zx.Ding.entity.Employee;
import com.zx.Ding.service.EmployeeService;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.util.DigestUtils;
import org.springframework.web.bind.annotation.*;

import javax.servlet.http.HttpServletRequest;

@Slf4j
@RestController
@RequestMapping("/employee")
public class EmployeeController {

    @Autowired
    private EmployeeService employeeService;

    @PostMapping("/login")
    public R<Employee> login(HttpServletRequest request, @RequestBody Employee employee){
        //1、将页面提交的密码password进行md5加密处理
        String password = employee.getPassword();
        password = DigestUtils.md5DigestAsHex(password.getBytes());
        //2、根据页面提交的用户名username查询数据库
        QueryWrapper<Employee> queryWrapper = new QueryWrapper<>();
        queryWrapper.eq("username",employee.getUsername());
        Employee emp = employeeService.getOne(queryWrapper);
        //3、如果没有查询到则返回登录失败结果
        if(emp == null){
            return R.error("用户名不存在");
        }
        //4、密码比对，如果不一致则返回登录失败结果
        if(!emp.getPassword().equals(password)){
            return R.error("用户名密码错误");
        }
        //5、查看员工状态，如果为已禁用状态，则返回员工已禁用结果
        if(emp.getStatus() == 0){
            return R.error("账号已禁用");
        }
        //6、登录成功，将员工id存入Session并返回登录成功结果
        request.getSession().setAttribute("employee",emp.getId());

        return R.success(emp);
    }
    @PostMapping("/logout")
    public R<String>logout(HttpServletRequest request){
        request.getSession().removeAttribute("employee");
        return R.success("退出成功");
    }
    //不需要用到Data所以用到 R<String>
    @PostMapping
    public R<String>sava(HttpServletRequest request,@RequestBody Employee employee){
        log.info("新增员工，员工信息{}",employee.toString());
        //设置初始密码123456，需要进行md5加密处理
        employee.setPassword(DigestUtils.md5DigestAsHex("123456".getBytes()));
//        employee.setCreateTime(LocalDateTime.now());
//        employee.setUpdateTime(LocalDateTime.now());
//        //获得当前登录用户的id
//        Long empId = (Long) request.getSession().getAttribute("employee");
//        employee.setCreateUser(empId);
//        employee.setUpdateUser(empId);
        employeeService.save(employee);
        return R.success("新增员工成功");
    }

    @GetMapping("/page")
    public R<Page>page(int page,int pageSize,String name){
        log.info("page = {},pageSize ={},name={}",page,pageSize,name);
        //分页构造器
        Page pageInfo = new Page(page,pageSize);
        //构造条件构造器
        LambdaQueryWrapper<Employee> queryWrapper = new LambdaQueryWrapper();
        //添加过滤条件
        queryWrapper.like(StringUtils.isNotEmpty(name),Employee::getName,name);
        employeeService.page(pageInfo,queryWrapper);
        //添加排序条件
        queryWrapper.orderByDesc(Employee::getUpdateTime);
        return R.success(pageInfo);
    }
    /**
     * 根据id修改员工信息
     * @param employee
     * @return
     */
    @PutMapping()
    public R<String>update(HttpServletRequest request,@RequestBody Employee employee){
        log.info(employee.toString());
//        Long empId = (Long) request.getSession().getAttribute("employee");
//        employee.setUpdateTime(LocalDateTime.now());
//        employee.setUpdateUser(empId);
        employeeService.updateById(employee);
        long thId = Thread.currentThread().getId();
        log.info("线程：{}",thId);
        return R.success("修改成功");
    }

    /**
     * 根据id查询员工信息 进行数据回显
     * @param id
     * @return
     */
    @GetMapping("/{id}")
    public R<Employee>query(HttpServletRequest request,@PathVariable Long id){
        log.info("id={}",id);
        Employee employee1=employeeService.getById(id);
        return R.success(employee1);
    }

}

